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Elution of ion exchange resins by use of ultrasonication
The feasibility of using ultrasound to enhance the elution of three ion exchange resins was investigated. A laboratory-scale elution column immersed in an ultrasonic bath was used to investigate three elution systems. ...
Removal of heavy metal ions by carrier magnetic separation of adsorptive particulates
The removal of Pb, Cu, and Cd ions from diluted solutions by sorption onto clinoptilolite, together with magnetite-Fe(OH)3 coprecipitation and magnetic filtration, was studied at laboratory scale. Low concentrations of ...
Effects of residence time and mixing regimes on the precipitation characteristics of CaF2 and MgF2 from high ionic strength sulphate solutions
The presence of calcium (Ca) and magnesium (Mg) in the hydrometallurgical processing of base metals is responsible for the contamination of the final product, high energy consumption and large bleed streams during ...